Earthquake with magnitude of ML 1.2 on date 22-12-2023 and time 09:16:29 (UTC) in region 2 km NW Cittareale (RI)

A magnitude ML 1.2 earthquake occured in region: 2 km NW Cittareale (RI), on

  • 22-12-2023 09:16:29 (UTC)
  • 22-12-2023 10:16:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6330, 13.1510 at 14 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cittareale RI 2 482 482
Accumoli RI 11 667 1149
Amatrice RI 11 2657 3806
Posta RI 13 694 4500
Borbona RI 13 617 5117
Montereale AQ 14 2581 7698
Cascia PG 15 3217 10915
Monteleone di Spoleto PG 16 599 11514
Leonessa RI 17 2435 13949
Capitignano AQ 18 665 14614
Norcia PG 18 4957 19571
Arquata del Tronto AP 20 1178 20749
Poggiodomo PG 20 117 20866
Campotosto AQ 20 542 21408

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NW of L'Aquila (69753 inhabitants)
42 Km E of Terni (111501 inhabitants)
46 Km W of Teramo (54892 inhabitants)
51 Km SE of Foligno (57155 inhabitants)
78 Km NE of Guidonia Montecelio (88673 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
82 Km SE of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
89 Km E of Viterbo (67173 inhabitants)
89 Km W of Chieti (51815 inhabitants)
89 Km W of Pescara (121014 inhabitants)
99 Km NE of Roma (2864731 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.2 2023-12-22
09:16:29
42.6332 13.1507 14 2023-12-22
09:28:35
Sala Sismica INGV-Roma 124199781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-22 09:16:29 ± 0.06
Latitude 42.6332 ± 0.0027
Longitude 13.1507 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124199781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 318
Semi-minor axis of confidence ellipse (meter) 104
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 7
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.08633
Epicentral distance of station farthest from the epicenter (degree) 0.69518
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 124199781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-22 09:28:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2023-12-22T09:16:45.44 0.6 undecidable manual S 292 51.0156 94 0.18 45
IV.MF5.EHZ. 2023-12-22T09:16:44.26 0.6 undecidable manual S 32 46.7199 95 0.14 46
IV.FDMO.HHZ. 2023-12-22T09:16:43.74 0.6 undecidable manual S 353 45.0216 95 0.06 47
IV.CESI.HHZ. 2023-12-22T09:16:43.53 0.6 undecidable manual S 334 45.8208 95 -0.37 44
IV.GIGS.HHZ. 2023-12-22T09:16:42.15 0.6 undecidable manual S 120 39.8268 96 -0.16 47
IV.CERT.HHZ. 2023-12-22T09:16:41.91 1.0 undecidable manual P 190 77.1672 92 -0.58 20
IV.TERO.HHZ. 2023-12-22T09:16:41.23 0.6 undecidable manual S 92 37.0296 97 -0.32 45
IV.MC2.EHE. 2023-12-22T09:16:40.01 0.6 undecidable manual S 6 31.0467 99 0.05 48
IV.ARRO.EHZ. 2023-12-22T09:16:40.20 0.6 undecidable manual S 259 32.0457 98 -0.02 49
7F.SIB2.EHE. 2023-12-22T09:16:39.68 0.6 undecidable manual S 24 31.2465 99 -0.34 46
IV.CAMP.HHZ. 2023-12-22T09:16:38.06 0.6 undecidable manual S 117 23.6541 104 0.01 50
IV.MOMA.HHZ. 2023-12-22T09:16:38.67 0.6 undecidable manual P 292 51.0156 94 0.21 45
IV.MF5.EHZ. 2023-12-22T09:16:38.28 0.6 undecidable manual P 32 46.7199 95 0.48 43
IV.CESI.HHZ. 2023-12-22T09:16:37.92 0.3 undecidable manual P 334 45.8208 95 0.25 68
IV.GAVE.EHZ. 2023-12-22T09:16:37.28 0.6 undecidable manual S 287 21.9669 106 -0.31 47
IV.FDMO.HHZ. 2023-12-22T09:16:37.49 1.0 positive manual P 353 45.0216 95 -0.06 24
IV.TERO.HHZ. 2023-12-22T09:16:36.14 0.1 undecidable manual P 92 37.0296 97 -0.18 93
IV.GIGS.HHZ. 2023-12-22T09:16:36.76 0.3 undecidable manual P 120 39.8268 96 0 72
IV.ARRO.EHZ. 2023-12-22T09:16:35.59 0.6 undecidable manual P 259 32.0457 98 0.04 48
IV.SMA1.EHZ. 2023-12-22T09:16:35.99 0.6 undecidable manual S 91 15.0738 119 0.1 49
IV.MC2.EHE. 2023-12-22T09:16:35.46 0.3 undecidable manual P 6 31.0467 99 0.06 73
IV.RM33.EHZ. 2023-12-22T09:16:35.83 0.6 undecidable manual S 159 14.7741 120 0.01 50
7F.SIB2.EHE. 2023-12-22T09:16:35.25 0.1 undecidable manual P 24 31.2465 99 -0.18 94
IV.CAMP.HHZ. 2023-12-22T09:16:34.40 0.3 undecidable manual P 117 23.6541 104 0.1 73
IV.LNSS.HHZ. 2023-12-22T09:16:34.51 0.6 undecidable manual S 250 9.5793 136 -0.22 48
IV.GAVE.EHZ. 2023-12-22T09:16:34.01 0.1 undecidable manual P 287 21.9669 106 -0.02 99
IV.RM33.EHZ. 2023-12-22T09:16:33.21 0.6 undecidable manual P 159 14.7741 120 0.2 48
IV.SMA1.EHZ. 2023-12-22T09:16:33.30 0.1 positive manual P 91 15.0738 119 0.25 96
IV.LNSS.HHZ. 2023-12-22T09:16:32.46 0.1 positive manual P 250 9.5793 136 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.1 0.00009559999999999999 0.46 AML other m 2023-12-22T09:16:36.14
IV.RM33.EHE. ML:1.1 0.0001154 0.32 AML other m 2023-12-22T09:16:36.59
IV.TERO.HHN. ML:1.3 0.00007544999999999999 1.34 AML other m 2023-12-22T09:16:41.30
IV.ARRO.EHN. ML:1.2 0.00006795000000000001 0.5 AML other m 2023-12-22T09:16:42.34
IV.TERO.HHE. ML:1.2 0.0000654 1.3 AML other m 2023-12-22T09:16:42.93
IV.ARRO.EHE. ML:1.1 0.000049600000000000006 1 AML other m 2023-12-22T09:16:43.41
IV.MOMA.HHE. ML:1.4 0.00005965 0.9 AML other m 2023-12-22T09:16:47.05
IV.MOMA.HHN. ML:1.5 0.0000786 0.24 AML other m 2023-12-22T09:16:47.30
IV.FDMO.HHE. ML:0.8 0.000017546195 0.2176 AML other m 2023-12-22T09:16:46.90
IV.FDMO.HHN. ML:0.8 0.000019084465 0.16 AML other m 2023-12-22T09:16:47.40
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download